631
WWUS20 KWNS 272307
SEL7
SPC WW 272307
GAZ000-SCZ000-CWZ000-280400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 777
NWS STORM PREDICTION CENTER NORMAN OK
710 PM EDT TUE OCT 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST GEORGIA
EASTERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS TUESDAY NIGHT FROM 710 PM UNTIL MIDNIGHT EDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 25 STATUTE
MILES EITHER SIDE OF A LINE FROM 10 MILES WEST OF SAVANNAH
GEORGIA TO 35 MILES NORTHEAST OF CHARLESTON SOUTH CAROLINA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
DISCUSSION...ISOLATED INTENSE THUNDERSTORMS SOUTHWEST OF SAVANNAH
WILL TRACK EAST-NORTHEASTWARD THROUGH THE EVENING...ALONG AND SOUTH
OF RETREATING SURFACE BOUNDARY. MOIST AND MARGINALLY UNSTABLE
BOUNDARY LAYER OVER THIS REGION...COUPLED WITH FAVORABLE VERTICAL
SHEAR AND CONVERGENCE NEAR THE BOUNDARY...MAY POSE A RISK FOR
ISOLATED TORNADOES AND DAMAGING WINDS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 23030.
...HART
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